Buderus Logano G234X User manual

Brand: Buderus

Model: Logano G234X

Type: User manual

This manual is also suitable for

Setting the Standard for Efﬁ ciency



High Efﬁ ciency: Full line of Atmospheric Gas Boilers

Flexible, Corrosion Resistant GL-180M Cast Iron

Limited Lifetime Warranty

74,000 to 542,000 BTU/Hr Input

Electronic Ignition, 3" Thermal Insulation on all Models

omfortable. Efﬁ cient. Intelligent Heating

G124X - G234X - G334X

Atmospheric Gas Boilers

800

283

3787

1-800-283-3787

G124X - G234X - G334X

Manufactured with the patented

Buderus GL-180M ﬂ exible cast

iron, the sections are tightly joined

together and sealed by proﬁ led,

beveled steel push nipples, ensuring

a long life.

Intelligent Heating – By Design

Buderus, the world leader in heating technology, manufactures the highest quality boilers based on

centuries of experience. With its innovative design and quality manufacturing, a Buderus boiler will

outlast and out-perform virtually any other residential hot water system in the world.

The G124X, G234X and G334X are designed in Europe, where fuel costs are signiﬁ cantly higher

and environmental regulations are more stringent. Established in 1731, Buderus uses state-of-the-art

techniques in the design and manufacturing of its boilers.

Manufactured with the patented Buderus GL-180M ﬂ exible cast iron, the sections are tightly joined

together and sealed by proﬁ led, beveled steel push nipples, ensuring a long life. Special compounds

provide a gas-tight seal for safe and efﬁ cient operation. And, thanks to the GL-180M cast iron’s

amazing ﬂ exibility, this boiler resists thermal shock under conditions of rapid temperature change.

All models are atmospheric vented.

GL-180M Gray Cast Iron:

Buderus GL-180M silicone injected, gray cast iron has excellent corrosion resistance, exceptional

casting characteristics and 40% greater ﬂ exibility and elasticity as well as high thermal conductivity.

Buderus developed the special substances that are impregnated during the casting process to

improve the mechanical properties of cast iron. The graphite precipitates into smaller, modiﬁ ed

ﬂ akes which produce GL-180M cast iron with 40% greater elasticity and a high silicone barrier for

corrosion protection. Gray cast iron obtains its superior material characteristics primarily from a

high carbon (graphite) and silicone content. Additional elements further enhance the properties of

the GL-180M. The graphite appears in two different forms in the microstructure: nodular form

producing excellent tensile strength and great elasticity and graphite ﬂ akes producing excellent

corrosion resistance against acidic combustion products. Manufactured with the patented Buderus

GL-180M ﬂ exible cast iron, the sections are tightly joined together and sealed by proﬁ led, beveled

steel push nipples, ensuring a long life.

Special compounds provide a gas-tight seal

for safe and efﬁ cient operation. And, thanks

to the GL-180M cast iron’s amazing ﬂ exibility,

this boiler resists thermal shock under

conditions of rapid temperature change.

www.buderus.net

Superior Design

Quality

Manufactured by Buderus, the world leader in cast iron boiler design and production, the G124X,

G234X and G334X construction consists of ﬂ exible GL-180M cast iron, designed to resist thermal

shock for long life and a high silicone cast iron surface for excellent corrosion resistance. They each

have staggered contoured ﬁ ns for optimum heat transfer and efﬁ cient operation, high precision cast-

ings with steel push nipples, sectional construction, and deluxe, heavy gauge blue enameled jacket

for a clean ﬁ nished appearance. There is a full 3" of thermal insulation for minimal standby heat loss

coupled with an integral draft diverter for low proﬁ le. All models are easily converted to propane,

and they also offer low emissions with Premixed Burner Technology. Durable, quiet and efﬁ cient,

Buderus boilers are designed for many years of trouble-free operation.

Efﬁ ciency

The G124X, G234X, and G334X Series Boilers are available in natural gas or easily converted to

propane and feature AFUE ratings up to 84.8% for high efﬁ ciency and top performance. Stainless

steel premixed factory tested burners allow for low emissions, and a full 3 inches of thermal

insulation virtually eliminate standby loss and stack temperature losses. Buderus boilers are designed

for a long life, providing efﬁ ciency and durability for the homeowner that is unsurpassed by the

competition.

Stainless Steel Premixed Burners

Low emissions with Premixed Burner Technology

Factory tested for natural gas operation

All models easily convert to propane

Complete burner tray is easily removed

Durable, quiet and efﬁ cient, designed for long life

Flueways of Buderus boilers have a gas tight

seal thanks to a tongue and groove section

design and elastic high temperature resistant

sealing material. This seal is fully pressed into

the groove during assembly.

G234X Boiler

800

283

3787

1-800-283-3787

G124X - G234X - G334X

Panel Radiators

Upgrade your system for added comfort to your home!

Once you have a Buderus boiler you can add a Buderus indirect ﬁ red hot water tank, an optional

Buderus Logamatic control or both. The Logamatic control maximizes your comfort and fuel savings,

and it will also accommodate specialized heating applications such as radiant ﬂ ooring. Combined, this

premium heating system will provide years of exceptional comfort and economy . . . for little more

than the cost of a standard replacement component.

The Buderus Logamatic Controls, designed

to work with most Buderus boilers,

signiﬁ cantly increase the efﬁ ciency of your

heating system. The Controls maintain a

comfortable environment by measuring

indoor and outdoor temperatures in order

to automatically and effectively regulate

the temperature of the boiler. This allows

the boiler to use less fuel while keeping

your home exactly as warm as you want

it. The Logamatic Controls also include

the convenience of a setback feature for

nighttime as well as domestic hot water

priority. So, no matter how hard the heating

has to work on a cold day, there will always

be hot water for showers. All control

functions are able to be customized by you.

Additionally, the Buderus Logamatic R2107

is designed with a built-in self diagnostic

system to aid in maintenance and reduce

service costs.

The Buderus indirect

ﬁ red domestic hot water

tanks are designed to

ﬁ t any specialized need.

To maximize space, the

G234X/G334X can be

paired with Buderus

vertical ST-tanks. These

tanks increase boiler

efﬁ ciency, system

longevity and minimize

the need of service calls, when paired with a

Buderus boiler.

The tanks are designed with many features to

aid in maintenance, such as easy access ports

for interior cleaning, extra thick Magnesium

anode rods (or optional electrical anode) and

Thermoglaze® interior tank coating to protect

against corrosion and aid in cleaning. To

help maximize efﬁ ciency the tanks come well

insulated resulting in a heat loss of literally less

than a fraction of 1ºF per hour.

Domestic Hot Water Tanks Convenient Logamatic Control

Quick-Fit

Modular Piping System

The Quick-Fit System takes only minutes to

connect and includes all the piping, valves,

circulating and control elements to feed both

radiant ﬂ oor heating zones and conventional

high-temperature heating zones. Not only will a

Quick-Fit system save time and money on any

boiler installation, it also eliminates incorrect

valve or motor installations. Additionally it

ensures a clean, ﬁ nished and professional

installation. The Quick-Fit system consists of

three main components, the Quick-Mix Mixing

Station for radiant ﬂ ooring applications, the

Quick-Pump Station for high-temperature zones

and the Quick-Header Manifold for multi-temp

heating systems. The Quick-Fit System can be

used to connect virtually any piping arrangement.

A cleaner, quieter, and more comfortable

source of heat ... Buderus manufactures

a whole range of high-quality radiators

to precisely match your taste in decor

and satisfy heating requirements. Panel

radiators produce two types of heat:

radiant and convected. Radiant heat

like the sun warms objects rather than

just the air, creating a greater sense

of warmth faster and at lower room

temperatures. Forced hot air or ﬁ n-

tube baseboard systems only produce

heat that warms the air (i.e., convected

heat). The design of Buderus radiators

eliminates noise, ... no more clanking and

hissing. Our radiators require less space

than baseboard enabling greater ﬂ exibility

with furniture placement. And Buderus’

unique styling also minimizes areas

where dust and dirt can collect.

www.buderus.net

G124X

Model G124X/18 G124X/25 G124X/32

Performance Data

Input Rate BTU/Hr. 74,000 103,000 132,500

DOE Heating Capacity BTU/Hr. 61,400 85,500 110,000

Net IBR BTU/Hr. 53,000 75,000 96,000

AFUE % 84.3 84.2 84.6

Piping Connections

Pressure Drop @ 20° F ∆ T (In WC) 18.8 22.9 32.2

B-Vent II Connection Size 5" 5" 6"

Boiler Supply & Return 1" 1" 1"

Gas Connection ½" ½" ½"

Min. Relief Valve 62 lb/hr 86 lb/hr 110 lb/hr

Physical Dimensions

Number of Burners 2 3 4

Boiler Width 23 ½" 23 ½" 23 ½"

Height 33 ⅛" 33 ⅛" 33 ⅛"

Dimension A 8 ¾" 5 ⅛"1 ⅝"

Dimension B 7 ¼" 8 ⅛"9"

Dimension C 4 ½" 5 ⅛"5 ⅛"

Dimension D 15" 13 ½" 13 ½"

Dry Weight (lbs.) 229 240 337

Water Content (gal.) 2.4 2.9 3.4

MEA 100-96-E

G3-1103-58

Approval Numbers

800

283

3787

1-800-283-3787

G234X

MEA 217-98-E

CRN No# 7169.7C

G3-0106-184

Approval Numbers

Model G234X/38 G234X/45 G234X/55 G234X/64

Performance Data

Input Rate BTU/Hr. 160,000 187,000 228,000 266,000

DOE Heating Capacity BTU/Hr. 130,000 154,000 188,000 219,000

Net IBR BTU/Hr. 113,000 134,000 163,000 190,000

AFUE % 84.3 84.1 84.8 84.3

Piping Connections

Pressure Drop @ 20° F ∆ T (In WC) 16.1 22.1 25.3 28.9

Vent Size 7" 7" 7" 8"

Damper Included? Yes Yes Yes Yes

Gas Connection ¾" ¾" ¾" ¾"

Physical Dimensions

Number of Burners 3 3 4 5

Boiler Width (W) 25 9∕16" 25 9∕16" 29 ⅛" 32 ¾"

Height 38 ½ " 38 ½ " 38 ½ " 38 ½ "

Dry Weight (lbs.) 487 487 562 684

Water Content (gal.) 6.1 6.1 7.1 8.2

Rear View Side View Front View Top View

28¾

13¾

Vent

25 ¾"

40 ¾"

1½" Supply

1" Storage Tank

1½" Return

½" Drain

Allow 33" Access

for Servicing

2" Minimu

2" Minimum

6" Minimum

www.buderus.net

G334X

Model G334X/73 G334X/92 G334X/116 G334X/132

Performance Data

Input Rate BTU/Hr. 301,000 378,000 476,000 542,000

DOE Heating Capacity BTU/Hr. 249,000 314,000 396,000 451,000

Net IBR BTU/Hr. 217,000 273,000 344,000 392,000

Comb. Eff. (%) 82.7 83.1 83.2 83.2

Piping Connections

Pressure Drop @ 20° F ∆ T (In WC) 32.1 44.1 54.2 60.2

Vent Size 8" 9" 10" 10"

Damper Included? Optional Optional Optional Optional

Gas Connection ¾" ¾" ¾" ¾"

Physical Dimensions

Number of Burners 5 6 7 8

Boiler Width (W) 34 ¾" 41 ¾" 48 ¾" 56"

Height 40 ¾" 40 ¾" 40 ¾" 40 ¾"

Dry Weight (lbs.) 758 930 1,093 1,265

Water Content (gal.) 9.2 11.4 13.5 15.6

Rear View Side View Front View Top View

28¾

13¾

Vent

25 ¾"

40 ¾"

1½" Supply

1" Storage Tank

1½" Return

½" Drain

Allow 33" Access

for Servicing

2" Minimu

2" Minimum

6" Minimum

MEA 217-98-E

CRN No# 7169.7C

G3-0106-184

Approval Numbers

www.buderus.net

Subject to change without notice

Part Number 44499023-04/07

BBT North America Corporation

50 Wentworth Avenue

Londonderry, NH 03053

Tel: (603) 552-1100

Fax: (603) 584-1681

G124X - G234X - G334X

Gas-Fired Boilers

Buderus boilers are manufactured to the highest

standards. The boilers are designed with premixed

burner technology for low emissions, a factory tested

gas operation, and are ﬁ eld converted to propane.

To aid in cleaning and servicing the burner tray is

completely removable. All Buderus boilers are durable,

quiet, efﬁ cient and designed for long life.

Special Features G124X G234X G334X

Integral draft diverter for low proﬁ le

■■■

AFUE ratings over 84%

■■

Two stage ﬁ ring capabilities

■

30 PSI relief valve, drain and P&T gauge

■■■

Standard non-combustible base

■■

Approved for 2" side clearance to combustibles

■■■

All rear tappings for clean, ﬁ nished appearance

■■■

Plug-in connection for vent damper

■■■

Boiler sizes 18 to 64 units completely assembled, jacket installed

■■

Combined slow opening gas control valve

■■■

Approved for installation on combustible ﬂ ooring

■■■

Standard Honeywell control components

■■■

1" Supply and return tappings, ½" NPT gas connection

■

1½" Supply and return tappings, ¾" NPT gas connection

■■

G334X Boiler

Buderus Logano G234X User manual

Brand: Buderus

Model: Logano G234X

Type: User manual

This manual is also suitable for

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Buderus Logano G234X User manual

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Buderus Logano G234X User manual

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